utils

Provide various helper functions for use across the package.

General utilities

first_unique(iterable)	Return unique items in an input iterable variable given the same order of presence.
check_json_engine([engine])	Check an available module used for loading JSON data.
remove_osm_file(path_to_file[, verbose])	Remove a downloaded OSM data file.

Check data pathnames

cdd_geofabrik(*sub_dir[, mkdir, default_dir])	Change directory to osm_geofabrik\ and its subdirectories within a package.
cdd_bbbike(*sub_dir[, mkdir, default_dir])	Change directory to osm_bbbike\ and its subdirectories.

Data processing utilities

get_layer_name(stem)	Extract the core OSM layer name from a file stem or layer string.
find_matched_layer_names(layer_names, ...[, ...])	Find corresponding OSM layer names by identifying common semantic roots.
merge_dicts_by_values(data_dict, mapping_dict)	Group and concatenate DataFrames from a dictionary based on a mapping.